| Boppard to Sugar Hill (Georgia) | 4,520.81 mi (7,275.55 km) |
| Boppard to Sugar Land (Texas) | 5,208.63 mi (8,382.48 km) |
| Boppard to Sugarland Run (Virginia) | 4,018.07 mi (6,466.46 km) |
| Boppard to Sugarmill Woods (Florida) | 4,724.09 mi (7,602.69 km) |
| Boppard to Suisun City (California) | 5,599.89 mi (9,012.16 km) |
| Boppard to Suitland (Maryland) | 4,008.07 mi (6,450.37 km) |
| Boppard to Sulphur (Louisiana) | 5,086.65 mi (8,186.17 km) |
| Boppard to Sulphur Springs (Texas) | 5,020.95 mi (8,080.44 km) |
| Boppard to Summerfield (Maryland) | 4,003.35 mi (6,442.78 km) |
| Boppard to Summerfield (North Carolina) | 4,252.06 mi (6,843.02 km) |
| Boppard to Summerlin South (Nevada) | 5,532.87 mi (8,904.29 km) |
| Boppard to Summerville (South Carolina) | 4,416.93 mi (7,108.37 km) |
| Boppard to Summit (Illinois) | 4,293.67 mi (6,909.99 km) |
| Boppard to Summit (New Jersey) | 3,821.08 mi (6,149.43 km) |
| Boppard to Sumner (Washington) | 5,070.63 mi (8,160.39 km) |
